ML20084M656

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Telecopy AO 3-72-6:on 720829 & 30,zeros on All Three Narrow Range Pressurizer Level Transmitters Drifted Below Level. Cause Unknown.Transmitters Recalibr
ML20084M656
Person / Time
Site: Turkey Point NextEra Energy icon.png
Issue date: 09/29/1972
From: Schmidt A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20084M641 List:
References
AO-3-72-6, NUDOCS 8306020278
Download: ML20084M656 (3)


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'l PMS DIRECTOR REGION 2 DIRECTORATE OF REGULATORY OPERATION US ATOslIC ENERGY COMMISSION SUITE 218 230 PEACH TREE. ST NORTH WEST ATLA FLORIGA POWER AND LIGHT O'OMPANY TURKEY POINT REPORTS ABNORMAL T

0000RREN0E NUMBER 3-72-6 0'1 AUGUST 29 AND 30 1972 VILL AT HOT SHSTDOUN

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AND I'4VESTIGATINO THE LACK OF AGREEMENT BETWEEN PRESSURIZER LEVEL CHA INELS

.1 IT WAS FOUND THAT THE ZER0ES ON ALL 3 NARROW RANGE PRESSURIZER LEVEL TIANSMITTERS (BARTON DIFFERENTIAL PRESSURE TRANSMITTER MODEL

'l 386) HAD DRIFTED SUOH THAT THE INDICATED LEVEL WAS APPROXIMATELY 5 PERCENT DELOW ACTUAL LEVEL THE TRANSMITTERS UERE IMMEDIATELY s) tr.1201 (fau) l O

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REPAIRED AND RECALIBRATED THE OAUSE OF THE ZERO DRIFT IS NOT YET O

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KNOUN WESTINGHOUSE AND BARTON SERVICE REPRESENTATIVE WILL ARRIVE ON SITE ON 00TOBER 21972 TO DETERMINE AND 0

CORRECT THE PROBLEM BECAUSE THE TRANSMITTERS INDICATED A LOVER. LEVEL THAN ACTUAL THE 92 PERCENT PRESSURIZER LEVEL REA0 TOR n"

TRIP WOULD NOT HAVE OPERATED UNTIL ABOUT 97 PERCENT HOUEVER THIS TRIP IS UNE00ESARY FOR REACTOR SAFETY AT LOV POWER sr.im casa O,

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01N THIS REPORT IS SUBMITTED LATE BECAUSE THE CALIBRATION

..1 WAS NOT IDENTIFIED AS AN ABNORMAL 0000REN0E UNTIL SEPT 27 1972 A D SOHMIDT DIRECTOR OF POWER RESOURCES

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